Hi!
-HP 5406zl: (modular, L3+)
-CISCO 4948E-F: (48xgigabit , 4xSFP+, 2xPSU, L3++ )
-CISCO Nexus 3k series
-Alcatel-Lucent 6850: ( 24/48 port gigabit + 2XFP )
-TP-LINK: never again :)
-Mikrotik: Not bad, but basic features missing ( Port Security; DHCP Snooping; IP Source Guard)
So I would go...